Contents

require 'spec_helper'

# - www.movable-type.co.uk/scripts/latlong.html
describe GeoPoint do 
  describe 'ruby core Class extensions' do
    describe 'Fixnum extension' do
      describe '#to_lat' do              
        it 'should set origin at 0,0' do
          origin = [0, 0].geo_point
          origin.lat.should == 0       
          origin.lng.should == 0
        end

        it 'should return latitude degree value for 360' do
          360.to_lat.should == 0
        end

        it 'should normalize degrees before converting to latitude, so 361 becomes 1' do
          361.to_lat.should == 1
        end
      end      

      describe '#to_lng' do              
        it 'should return latitude degree value for 360' do
          90.to_lng.should == 90
        end

        it 'should normalize degrees before converting to latitude, so 361 becomes 1' do
          91.to_lng.should == 91
        end
      end      
    end

    describe 'Float extension' do
      describe '#to_lat' do              
        it 'should return latitude degree value for 360' do
          (360.0).to_lat.should == 0
        end

        it 'should normalize degrees before converting to latitude, so 361 becomes 1' do
          (361.1).to_lat.should be_within(0.01).of(1.1)
        end
      end      

      describe '#to_lng' do              
        it 'should return latitude degree value for 360' do
          (360.0).to_lng.should == 0
        end

        it 'should normalize degrees before converting to latitude, so 361 becomes 1' do
          (361.1).to_lng.should be_within(0.01).of(1.1)
        end
      end      
    end
  end 
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
geo_calc-0.7.1	spec/geo_calc/core_ext_spec.rb